Atrial fibrillation (AF) is the most common cardiac arrhythmia and is increasing in prevalence as populations age. This Primer provides an overview of AF epidemiology, the mechanisms underlying electropathology in AF, and the diagnostic approaches and treatments, and highlights important directions to improve understanding and management of AF in co-creation with patients.

Bianca J. J. M. Brundel , Xun Ai & Natasja M. S. de Groot